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9 March 2023 Triple-clad ytterbium-doped fiber for 10 kW fiber laser
Yue Meng, Yu Li, Xudong Shi, Zhangru Chen, Tianying Liu, Zuying Xu
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Proceedings Volume 12400, Fiber Lasers XX: Technology and Systems; 1240007 (2023) https://doi.org/10.1117/12.2650874
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
In this work, to scale laser power while suppressing NL effects, we designed and fabricated a fiber triple-clad Ytterbium doped fiber with large core diameter by using MCVD combined with all-gas-phase doping method. To modify the PD performance of the fiber, P、Al and F were co-doped in the fiber. An excellent laser performance could be demonstrated for such a fiber with an output power of more than 10 kW and a slope efficiency of 82%. Long-term laser stability at 10 kW-level was carried out in a master oscillator power amplifier (MOPA) laser system for 500 hours with power degradation less than 1%.
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Yue Meng, Yu Li, Xudong Shi, Zhangru Chen, Tianying Liu, and Zuying Xu "Triple-clad ytterbium-doped fiber for 10 kW fiber laser", Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 1240007 (9 March 2023); https://doi.org/10.1117/12.2650874
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KEYWORDS
Fiber lasers
Ytterbium
High power fiber lasers
Laser stabilization
Laser systems engineering
Materials processing
Oscillators
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